Page 1: ...covering supplier Sensor Error Indicator Please select the correct mode of internal external sensor The display will show Er0 or Er1 if the wrong mode is selected or there is sensor failure Er0 means there is no internal sensor or there is internal sensor failure Er1 means there is no external sensor or external sensor failure The thermostat must not be used until the error has been resolved Opera...
Page 2: ...y be undertaken by competent people and the following details should be read carefully To enter advanced settings turn the thermostat off then hold the key down and press simultaneously Thermostat Installation HVAC CONTROLS PRODUCTS DS MRD 06 100114E Release the front cover by inserting a screwdriver into slot on base Mount the backing plate onto the wall socket Make electrical connections to the ...
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